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lightning-sunbird  0.9+nobinonly
nsMsgTxn.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "nsMsgTxn.h"
00039 #include "nsIMsgHdr.h"
00040 
00041 NS_IMPL_ISUPPORTS_INHERITED1(nsMsgTxn, nsHashPropertyBag, nsITransaction)
00042 
00043 nsMsgTxn::nsMsgTxn() 
00044 {
00045   m_txnType = 0;
00046 }
00047 
00048 nsMsgTxn::~nsMsgTxn()
00049 {
00050 }
00051 
00052 NS_IMETHODIMP nsMsgTxn::DoTransaction(void)
00053 {
00054   return NS_OK;
00055 }
00056 
00057 NS_IMETHODIMP nsMsgTxn::GetIsTransient(PRBool *aIsTransient)
00058 {
00059   if (nsnull!=aIsTransient)
00060     *aIsTransient = PR_FALSE;
00061   else
00062          return NS_ERROR_NULL_POINTER;
00063   return NS_OK;
00064 }
00065 
00066 NS_IMETHODIMP nsMsgTxn::Merge(nsITransaction *aTransaction, PRBool *aDidMerge)
00067 {
00068   return NS_ERROR_NOT_IMPLEMENTED;
00069 }
00070 
00071 
00072 nsresult nsMsgTxn::GetMsgWindow(nsIMsgWindow **msgWindow)
00073 {
00074     if (!msgWindow || !m_msgWindow)
00075         return NS_ERROR_NULL_POINTER;
00076     *msgWindow = m_msgWindow;
00077     NS_ADDREF (*msgWindow);
00078     return NS_OK;
00079 }
00080 
00081 nsresult nsMsgTxn::SetMsgWindow(nsIMsgWindow *msgWindow)
00082 {
00083     m_msgWindow = msgWindow;
00084     return NS_OK;
00085 }
00086 
00087 
00088 nsresult
00089 nsMsgTxn::SetTransactionType(PRUint32 txnType)
00090 {
00091   return SetPropertyAsUint32(NS_LITERAL_STRING("type"), txnType);
00092 }
00093 
00094 /*none of the callers pass null aFolder, 
00095   we always initialize aResult (before we pass in) for the case where the key is not in the db*/
00096 nsresult 
00097 nsMsgTxn::CheckForToggleDelete(nsIMsgFolder *aFolder, const nsMsgKey &aMsgKey, PRBool *aResult)
00098 {
00099   NS_ENSURE_ARG(aResult);
00100   nsCOMPtr<nsIMsgDBHdr> message;
00101   nsCOMPtr<nsIMsgDatabase> db;
00102   nsresult rv = aFolder->GetMsgDatabase(nsnull,getter_AddRefs(db));
00103   if (db)
00104   {
00105     PRBool containsKey;
00106     rv = db->ContainsKey(aMsgKey, &containsKey);
00107     if (NS_FAILED(rv) || !containsKey)   // the message has been deleted from db, so we cannot do toggle here
00108       return NS_OK;
00109     rv = db->GetMsgHdrForKey(aMsgKey, getter_AddRefs(message));
00110     PRUint32 flags;
00111     if (NS_SUCCEEDED(rv) && message)
00112     {
00113       message->GetFlags(&flags);
00114       *aResult = (flags & MSG_FLAG_IMAP_DELETED) != 0;
00115     }
00116   }
00117   return rv;
00118 }